Optical and electrical properties of propolis films |
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| Authors: | Drapak S. I. Drapak I. T. Kovalyuk Z. D. |
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| Affiliation: | (1) Institute of Problems of Materials Science, Chernovtsy Division, National Academy of Sciences of Ukraine, Chernovtsy, 58000, Ukraine;(2) Fed’kovich National University, Chernovtsy, 58012, Ukraine |
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| Abstract: | The basic electrical and optical properties of films made of propolis, which is a natural, biologically active, organic compound, are studied. Photoluminescence is found to exist at room temperature with a maximum at 434 nm. The conduction activation energy in the temperature range 283–300 K is 2.9 eV and correlates with the optical band gap. |
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